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How many working days in year 1978?

Here is the detail of the calculation:

Because 1978 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 249 working days in 1978.

Here is the list of these 11 public holidays:

1. New Year Holiday : понедельник, 2 январь, 1978
2. Preseren's Day : среда, 8 февраль, 1978
3. Easter Monday : понедельник, 27 март, 1978
4. Resistance Day : четверг, 27 апрель, 1978
5. May Day : понедельник, 1 май, 1978
6. May Day Holiday : вторник, 2 май, 1978
7. Assumption Day : вторник, 15 август, 1978
8. Reformation Day : вторник, 31 октябрь, 1978
9. All Saints' Day : среда, 1 ноябрь, 1978
10. Christmas Day : понедельник, 25 декабрь, 1978
11. Independence and Unity Day : вторник, 26 декабрь, 1978

And here are the 4 public holidays falling on a weekend:

1. New Year's Day : воскресенье, 1 январь, 1978
2. Easter : воскресенье, 26 март, 1978
3. Whitsunday : воскресенье, 14 май, 1978
4. Statehood Day : воскресенье, 25 июнь, 1978